Unconformity
Pronunciation : Un`con*form"i*ty
Part of Speech : n.
Definition : 1. Want of conformity; incongruity; inconsistency. South.
2. (Geol.)
Defn: Want of parallelism between strata in contact.
Note: With some authors unconformity is equivalent to unconformability; but it is often used more broadly, for example, to include the case when the parallelism of strata once conformable has been disturbed by faulting and the like.
Source : Webster's Unabridged Dictionary, 1913